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A block of mass 2kg is placed on the sur...

A block of mass `2kg` is placed on the surface of trolley of mass `20kg` which is on a smooth surface.The coefficient of friction between the block and the surface of the trolley is `0.25`.If a horizontal force of `2 N` acts on the block, the acceleration of the system in `ms^(-2)` is `(g=10ms^(-2))`

A

1.8

B

1

C

0.9

D

0.09

Text Solution

Verified by Experts

The correct Answer is:
D
`f=mu_(s)N=mu_(s)mg`
Block does not move `a=(F)/(m+M)`
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